Mosquitoes or Snakes — which scares you more?

Countries with Risk of Dengue

(Based on 2019 data)

Why are countries near the equator at higher risk of dengue?”

Favorable climate that speed up the mosquito life cycle

  1. Warm temperatures year-round

  2. High humidity and frequent rainfall

  3. No harsh winters

  4. Many equatorial countries have rapidly growing urban areas with poor waste and water management.

  5. People often live and work in open environments with limited protection, increasing exposure.

Countries with Risk of Dengue

Sri Lanka

Time Series Plot of Weekly Dengue Cases in Sri Lanka (National Level)

Time Series Plot of Weekly Dengue Cases in Sri Lanka (National Level)

Red Segment: Interrupted Period Due to the COVID-19 Pandemic